didier wrote: > On many Linux systems it may not do that much (2.6.32 and 3.2 are bad, > 3.13 is better but still it slows the fsync). > > If there's a fsync in progress WALReceiver will: > 1- slow the fsync because its writes to the same file are grabbed by the fsync > 2- stall until the end of fsync.
Is this behavior filesystem-dependent? -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
